package com.hqyj.service.impl;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.hqyj.dao.PowerMapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.hqyj.pojo.Power;
import com.hqyj.service.IPowerService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.HashMap;

/**
 * <p>
 *  服务实现类
 * </p>
 *
 * @author rock
 * @since 2021-10-26
 */
@Service
public class PowerServiceImpl implements IPowerService {

    @Autowired
    private PowerMapper powerMapper;

    @Override
    public HashMap<String, Object> select(Power a) {
        HashMap<String, Object> map = new HashMap<String, Object>();
        //定义分页对象
        Page<Power> page = new Page<>(a.getPage(),a.getRow());

        //条件构造器
        QueryWrapper<Power> queryWrapper = new QueryWrapper<>();

        queryWrapper.eq(a.getPowerId()!=null,"power_id",a.getPowerId());
        queryWrapper.like(a.getPowerName()!=null&&!a.getPowerName().equals(""),"power_name",a.getPowerName());

        //查询数据库m
        Page<Power> aList =powerMapper.selectPage(page,queryWrapper);
        //当前页集合
        map.put("list",aList.getRecords());
        //总页数
        map.put("totalPage",aList.getPages());
        //总条数
        map.put("total",aList.getTotal());
        //当前页
        map.put("curPage",a.getPage());
        if(a.getPage()==1){
            //上一页
            map.put("prePage",1);

        }else{
            map.put("prePage",a.getPage()-1);

        }
        if(a.getPage()==aList.getPages()){
            //下一页
            map.put("nextPage",aList.getPages());

        }else{
            map.put("nextPage",a.getPage()+1);

        }
        //每页显示条数
        map.put("row",a.getRow());

        return map;
    }
}
